Storage engines
InnoDB
Supports transactions, row-level locking, and foreign keys
[
Variabel
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Penampungan Penyangga
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Status InnoDB
]
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2025-12-18 23:33:49 0x7f83981f2700 INNODB MONITOR OUTPUT
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Per second averages calculated from the last 60 seconds
-----------------
BACKGROUND THREAD
-----------------
srv_master_thread loops: 8 srv_active, 0 srv_shutdown, 172 srv_idle
srv_master_thread log flush and writes: 0
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SEMAPHORES
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OS WAIT ARRAY INFO: reservation count 16
OS WAIT ARRAY INFO: signal count 16
RW-shared spins 0, rounds 0, OS waits 0
RW-excl spins 1, rounds 30, OS waits 1
RW-sx spins 0, rounds 0, OS waits 0
Spin rounds per wait: 0.00 RW-shared, 30.00 RW-excl, 0.00 RW-sx
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TRANSACTIONS
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Trx id counter 9783
Purge done for trx's n:o < 9781 undo n:o < 0 state: running but idle
History list length 65
LIST OF TRANSACTIONS FOR EACH SESSION:
---TRANSACTION 421678302370408, not started
0 lock struct(s), heap size 1136, 0 row lock(s)
---TRANSACTION 421678302369536, not started
0 lock struct(s), heap size 1136, 0 row lock(s)
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FILE I/O
--------
I/O thread 0 state: waiting for completed aio requests (insert buffer thread)
I/O thread 1 state: waiting for completed aio requests (log thread)
I/O thread 2 state: waiting for completed aio requests (read thread)
I/O thread 3 state: waiting for completed aio requests (read thread)
I/O thread 4 state: waiting for completed aio requests (read thread)
I/O thread 5 state: waiting for completed aio requests (read thread)
I/O thread 6 state: waiting for completed aio requests (write thread)
I/O thread 7 state: waiting for completed aio requests (write thread)
I/O thread 8 state: waiting for completed aio requests (write thread)
I/O thread 9 state: waiting for completed aio requests (write thread)
Pending normal aio reads: [0, 0, 0, 0] , aio writes: [0, 0, 0, 0] ,
ibuf aio reads:, log i/o's:, sync i/o's:
Pending flushes (fsync) log: 0; buffer pool: 0
1197 OS file reads, 317 OS file writes, 103 OS fsyncs
0.25 reads/s, 13312 avg bytes/read, 0.33 writes/s, 0.18 fsyncs/s
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INSERT BUFFER AND ADAPTIVE HASH INDEX
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Ibuf: size 1, free list len 0, seg size 2, 0 merges
merged operations:
insert 0, delete mark 0, delete 0
discarded operations:
insert 0, delete mark 0, delete 0
Hash table size 34679, node heap has 1 buffer(s)
Hash table size 34679, node heap has 2 buffer(s)
Hash table size 34679, node heap has 1 buffer(s)
Hash table size 34679, node heap has 0 buffer(s)
Hash table size 34679, node heap has 1 buffer(s)
Hash table size 34679, node heap has 0 buffer(s)
Hash table size 34679, node heap has 2 buffer(s)
Hash table size 34679, node heap has 5 buffer(s)
299.63 hash searches/s, 61.58 non-hash searches/s
---
LOG
---
Log sequence number 50955728
Log buffer assigned up to 50955728
Log buffer completed up to 50955728
Log written up to 50955728
Log flushed up to 50955728
Added dirty pages up to 50955728
Pages flushed up to 50955728
Last checkpoint at 50955728
63 log i/o's done, 0.12 log i/o's/second
----------------------
BUFFER POOL AND MEMORY
----------------------
Total large memory allocated 137363456
Dictionary memory allocated 550883
Buffer pool size 8192
Free buffers 6946
Database pages 1234
Old database pages 475
Modified db pages 0
Pending reads 0
Pending writes: LRU 0, flush list 0, single page 0
Pages made young 0, not young 0
0.00 youngs/s, 0.00 non-youngs/s
Pages read 1092, created 142, written 208
0.00 reads/s, 0.00 creates/s, 0.00 writes/s
Buffer pool hit rate 1000 / 1000, young-making rate 0 / 1000 not 0 / 1000
Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s
LRU len: 1234, unzip_LRU len: 0
I/O sum[0]:cur[0], unzip sum[0]:cur[0]
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ROW OPERATIONS
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0 queries inside InnoDB, 0 queries in queue
0 read views open inside InnoDB
Process ID=372, Main thread ID=140202817550080 , state=sleeping
Number of rows inserted 2, updated 332, deleted 0, read 117362
0.00 inserts/s, 0.07 updates/s, 0.00 deletes/s, 507.61 reads/s
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END OF INNODB MONITOR OUTPUT
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